Stile extending attachment for ladder

Details Stile extending attachment for ladder Stile extending attachment for ladder

1990-12-13

1993-08-03

Machado, Reinaldo P.

Fire escape, ladder, or scaffold

Ladder

Supporting surface compensating means

E06C 744

Patent

active

052320677

ABSTRACT:
An attachment device is provided for use with a ladder having two side stile members and a plurality of hollow rungs connected therebetween for extending at least one of said side stile members so that the ladder can be used on uneven ground. The attachment device comprises an elongated member provided with a longitudinal slot extending lengthwise therethrough, and mounting means for adjustably attaching the elongated member to one of the side stile members. The mounting means includes at least one first crossbar adapted to fit through the slot in the elongated member and to extend through one of the hollow rungs and means for securing opposite ends of the at least one first crossbar to the side stile members.

REFERENCES:
patent: 1346831 (1920-07-01), Lehmann
patent: 1609257 (1926-11-01), Lazear
patent: 1751173 (1930-03-01), Rice
patent: 2249304 (1941-07-01), Wilson
patent: 3428147 (1969-02-01), Gordon
patent: 3998293 (1976-12-01), Raia
patent: 4676342 (1987-06-01), Godde
patent: 4787478 (1988-11-01), Stakes

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